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sklademVydáno: 2021-12-07
21/30431994 DC
BS EN 61820-3-4. Electrical installations for lighting and beaconing of aerodromes. Safety secondary circuits in series circuits. General safety requirements
Měna
| Označení normy: | 21/30431994 DC |
| Počet stran: | 42 |
| Vydáno: | 2021-12-07 |
| Status: | Draft for Comment |
Popis
21/30431994 DC
This standard 21/30431994 DC BS EN 61820-3-4. Electrical installations for lighting and beaconing of aerodromes. Safety secondary circuits in series circuits. General safety requirements is classified in these ICS categories:
- 29.140.50 Lighting installation systems
- 93.120 Construction of airports